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TO ALL WHOM IT MAY CONCERN:

Be it known that I, Joni! F. ALLEN, of New York, in the county and Stateof New York, have invented a new and useful Dove-Tail Saw; and I dohereby declare that the following is a full and exact description of thesame, reference being had to tho accompanying drawings, and to theletters of refer-.encemarked thereon.

Figure Irepresents a side elevation, and Figure II a cross-section of myirhpreved saw, and Figure III is a top view. I v t The nature of myinvention consists in turning the lower part as the after end of ahand-saw to form an angle with the blade similar to a flange, increasinggradually in width, and providing suitable teeth 'on the edge of saidflange, in such em tte that after'th'e, front-end of the saw has cutinto the wood, in the usual manner, to the desired depth, this afterpart will then cut at an angle to said first out. I

In the accompanying drawings, A represents the hand-saw, the forward enda of which is provided with teeth in the usual manner. At the aft-er endthe lower part b' is bent at an angle corresponding with the requiredangle of the dove-tail, tapering from the point a, where said flangeruns to a point with the straight part a of the saw, to any desiredwidth at the rear end of the saw. The edge of this flange b is providedwith teeth similar as the straight part a.

To cut a dove-tail with this saw, the wood is cut downwards by the frontpart a to any desired depth, forming the side of the dove-tail, afterwhich the saw is pushed further into the wood past the point 0, when theteeth on the flange b will cut horizontally or the bottotn ofthedove-tail about one-half of its length. The wood is then turnedaround, and-the other side of the dove-tail: iscutby theftorward end aof the saw until the desired depth is obtained, when the saw isagainpushed furtheri'into the wood past the point 0, and the bottom ofthe dove-tail cut by the flange '6, till it rneetsthe part out bet'oirel What I claim as my invention, and desire to secure by LettersPatent, is-

Turning a portion of the blade of a hand-saw to form an angle with theotherportion of the blade of said saw, in the manner and for the purposesubstantially as described.

' JOHN F. ALLEN.

Witnesses:

HENRY E. Roman, WILLIAM Dnnrnn.

